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    Investigation of Yersinia ruckeri Infection in Rainbow Trout (Oncorhynchus mykiss Walbaum 1792) Farms by Polymerase Chain Reaction (PCR) and Bacteriological Culture
    (KAFKAS UNIV, VETERINER FAKULTESI DERGISI, 2012) Seker, Engin; Karahan, Murat; Ispir, Unal; Cetinkaya, Burhan; Saglam, Naim; Sarieyyupoglu, Mustafa
    This study has been carried out to investigate the presence of Yersinia ruckeri, the causative agent of Enteric Red Mouth (ERM) disease, in rainbow trout fish breeding farms located in Elazig and Malatya provinces in Eastern Turkey. For this purpose, bacteriological culture and a specific polymerase chain reaction (PCR) have been compare with examine blood and intestine samples collected from adult and young rainbow trout fish as well as water samples collected from all the farms. Y. ruckeri was isolated and identified from eight of the 17 fish farms giving a proportion of 52.9% at fish farm. The disease was noted in five of the rainbow trout farms located in Elazig and three of the 11 rainbow trout farms located in Malatya. The agent was detected in five of the six young fish breeding farms. The isolation percentages of the causative agent at fish level were calculated as 25.7% (131/510) in adult and 31.7% (19/60) in young fish, giving an overall proportion of 26.3% (150/570). All the isolates have been successfully identified as Y ruckeri by species-specific PCR. No isolation could be made from water samples. It is therefore concluded that Y. ruckeri infection poses a significant threat to the fish farms in the study area and necessary precautions should urgently be taken in order to minimize economical losses due to ERM disease. A specific PCR can be utilized successfully in aquaculture for rapid identification of bacterial agents which will help to prevent spread of infectious diseases and will therefore contribute to the productivity of fishery sector.
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    Morphological identification and pathology of Myxobolus cyprini and Lamproglena pulchella in some fish in Turkey
    (2022) Ekinci, Aysel İtik; Saglam, Naim; Özkaraca, Mustafa; Kılınc, Unal
    This study was performed to investigate the parasites and pathology in the three different fish species, Barbus lacerta, Capoeta trutta and C. umbla, caught in wildlife in Turkey. The fish caught for this study were transported to the laboratory under ethical rules and investigated for parasites. According to the results, two different parasite species (Myxobolus cyprini and Lamproglena pulchella) were morphologically identified. Myxobolus cyprini was found in the soft tissue of the pectoral fins of C. trutta as an off-white, oval cyst. In the histopathological examinations of the cysts, the spores of M. cyprini were observed. Lamproglena pulchella was seen in the gills of B. lacerta. No parasite was also encountered in C. umbla. These parasite species are the first records for wildlife fishes of Uzuncayır Dam Lake of Turkey.
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    Türkiyede bazı balıklarda Myxobolus cyprini ve Lamproglena pulchella türlerinin morfolojik identifikasyonu ve patolojisi
    (Veteriner Kontrol Merkez Araştırma Enstitüsü, 2022) Ekinci, Aysel; Saglam, Naim; Özkaraca, Mustafa; Kılınç, Ünal
    Bu çalışma, Yaban Hayatı'nda yakalanan üç farklı balık türündeki (Barbus lacerta, Capoeta trutta ve Capoeta umbla) parazitlerin (Myxobolus cyprini ve Lamproglena pulchella) enfeksiyon ve patolojilerini belirlemek için yapıldı. Bu çalışma için yakalanan balıklar, etik kurallara uygun olarak laboratuvara nakledildi ve parazit açısından araştırıldı. Sonuçlara göre iki farklı parazit türü (Myxobolus cyprini ve Lamproglena pulchella) tespit edildi. Myxobolus cyprini, Capoeta trutta'nın pektoral yüzgeçlerinin yumuşak dokusunda kirli beyaz oval bir kist olarak bulundu. Kistlerin histopatolojik incelemelerinde Myxobolus cyprini sporları görüldü. Lamproglena pulchella, Barbus lacerta'nın solungaçlarında görüldü. Capoeta umbla'da hiçbir parazite rastlanmadı. Bu parazit türleri, Uzunçayır Baraj Gölü (Türkiye) yaban hayatı balıklarının ilk kayıtlarıdır.